Tightrope Walk at 7800ftHoly crap! Dean Potter walks a tightrope in Yosemite, at 7,800feet. JavaScript is disabled!To display this content, you need a JavaScript capable browser.Adobe Flash Player not installed or older than 9.0.115! Loading... Add comment Name (required) E-mail (required, but will not display) Website Notify me of follow-up comments Refresh Send Cancel
